Indian Army - status of PPO

Sir,
I got a letter from the GRC record 1 feb 2013, In this letter following details are mentioned ie. letter no. Corigental/PPONo./CORR/106838/2012 amounting Rs. 11672 and pension account no.0768000300810294 maintained with PNB. I just want to know at what moment this amount is crediting to my pension account and also want to know the nature of this amount.